PruneLevel        305 magick/quantize.c   PruneLevel(CubeInfo *,const NodeInfo *),
PruneLevel        607 magick/quantize.c         PruneLevel(cube_info,cube_info->root);
PruneLevel        691 magick/quantize.c         PruneLevel(cube_info,cube_info->root);
PruneLevel       2323 magick/quantize.c       PruneLevel(cube_info,node_info->child[id]);